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Repeat Character N Times

... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*") – Dexygen J...
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What is the meaning of “$” sign in JavaScript

...of $ in JavaScript. $ is simply a valid JavaScript identifier. JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001). Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or f...
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How Do You Clear The IRB Console?

... @fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work. – Fan Yer May 19 '17 at 9:06 ...
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Convert NSDate to NSString

... How about... NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@"yyyy"]; //Optionally for time zone conversions [formatter setTimeZone:[NSTimeZone timeZoneWithName:@"..."]]; NSString *stringFromDate = [formatter stringFromDate:myNSDateInstance]; ...
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What is CDATA in HTML? [duplicate]

... All text in an XML document will be parsed by the parser. But text inside a CDATA section will be ignored by the parser. CDATA - (Unparsed) Character Data The term CDATA is used about text data that should not be parsed by t...
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Combine multiple Collections into a single logical Collection?

...llections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the interna...
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Escaping HTML strings with jQuery

... jsbin.com/fazimigayo/1/edit?html,js,console,output (and it should work on all earlier versions too) – Henrik N Nov 5 '16 at 20:46 ...
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Visualizing branch topology in Git

...n on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that seem to be used everywhere for e...
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DateTime.ToString() format that can be used in a filename or extension?

...our file name. Here i have provided example string fileName = "fileName_" + DateTime.Now.ToString("MM-dd-yyyy_hh-mm-ss-tt") + ".pdf"; OR If you don't prefer to use symbols you can try this also., string fileName = "fileName_" + DateTime.Now.ToString("MMddyyyyhhmmsstt") + ".pdf"; Hope this ...
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Is there a way to change the environment variables of another process in Unix?

...t one process can change another's environment variables (assuming they're all being run by the same user)? A general solution would be best, but if not, what about the specific case where one is a child of the other? ...